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Re: [PATCH 01/11] x86: Modify Kconfig to allow up to 4096 cpus
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From:
H. Peter Anvin <hpa@...>
To: Pavel Machek <pavel@...>
Cc: Ingo Molnar <mingo@...>, Mike Travis <travis@...>, Andrew Morton <akpm@...>, Thomas Gleixner <tglx@...>, <linux-kernel@...>
Subject:
Re: [PATCH 01/11] x86: Modify Kconfig to allow up to 4096 cpus
Date: Monday, April 28, 2008 - 1:13 pm
Pavel Machek wrote:
quoted text
>> * Pavel Machek <pavel@ucw.cz> wrote: >> >>> On Fri 2008-04-25 17:15:49, Mike Travis wrote: >>>> * Increase the limit of NR_CPUS to 4096 and introduce a boolean >>>> called "MAXSMP" which when set (e.g. "allyesconfig"), will set >>>> NR_CPUS = 4096 and NODES_SHIFT = 9 (512). >>> Why is redundant option 'maxsmp' a good idea? >> because this way randconfig can trigger it and can configure all the >> otherwise randconfig-invisible [or just plain unlikely] numerics and >> options up to their max. >> >> I found 2-3 "large box" bugs via that way already. > > Should we improve randconfig to select numeric values when range is > given, too? > Pavel
Would not be a bad idea; preferrably with a logarithmic distribution. -hpa --
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Messages in current thread:
[PATCH 01/11] x86: Modify Kconfig to allow up to 4096 cpus
, Mike Travis
, (Fri Apr 25, 8:15 pm)
Re: [PATCH 01/11] x86: Modify Kconfig to allow up to 4096 cpus
, Pavel Machek
, (Sun Apr 27, 6:39 am)
Re: [PATCH 01/11] x86: Modify Kconfig to allow up to 4096 cpus
, Ingo Molnar
, (Mon Apr 28, 9:38 am)
Re: [PATCH 01/11] x86: Modify Kconfig to allow up to 4096 cpus
, Pavel Machek
, (Mon Apr 28, 9:54 am)
Re: [PATCH 01/11] x86: Modify Kconfig to allow up to 4096 cpus
, H. Peter Anvin
, (Mon Apr 28, 1:13 pm)
Re: [PATCH 01/11] x86: Modify Kconfig to allow up to 4096 cpus
, Ingo Molnar
, (Mon Apr 28, 11:52 am)
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